Home / 916,974.40-1,375,522.35-243,046.30

Finding the Fourth Proportional to 916,974.40, 1,375,522.35 and 243,046.30

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Solution

The fourth proportional to 916,974.40, 1,375,522.35 and 243,046.30 is: 364,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,974.40 : 1,375,522.35 = 243,046.30 : x
  2. Step 2: Convert to fraction form
    916,974.40/1,375,522.35 = 243,046.30/x
  3. Step 3: Cross multiply
    916,974.40x = 1,375,522.35 × 243,046.30
  4. Step 4: Simplify right side
    916,974.40x = 334,315,617,734.81
  5. Step 5: Solve for x
    x = 334,315,617,734.81/916,974.40
  6. Step 6: Final answer
    x = 364,585.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.